Evaluación de herbicidas de pre y postemergencia temprana en el cultivo de maíz (Zea mays) en el Cantón Vinces, Provincia de Los Ríos
| dc.contributor.advisor | Mayorga Arias, David | |
| dc.contributor.author | YAUQUI PUNINA, EDGAR VINICIO | |
| dc.date.accessioned | 2023-05-24T17:54:37Z | |
| dc.date.available | 2023-05-24T17:54:37Z | |
| dc.date.issued | 2023 | |
| dc.identifier.uri | http://dspace.utb.edu.ec/handle/49000/13888 | |
| dc.description | The present experimental work dealt with the evaluation of pre- and early post-emergence herbicides in corn cultivation, which was carried out on the lands of Mr. Edgar Vinicio Yauqui Punina, located in the Vinces Canton, Los Ríos province. The maize hybrid ADV 9789 was used as planting material. The herbicides Isoxaflutole +thiencarbozone (0.35 L/ha), Isoxaflutole (0.89 kg/ha), Thifensulfuron+ Nicusulfuron +atrazina (0.50 L/ha), Mesotrione (0. 30 L/ha), manual control and farmer control (Nicosulfuron) (25 g/ha). The conclusions determined that the weeds present in the corn crop in the Vinces area, Los Ríos province were Chloris virgata (Indian beard), Eleusine indica (Hicken's foot), Ischaemun rogusum (Wheat straw), Rottboellia cochinchinensis ( Caminadora), Cyperus rotundus (Coquito) and Ipomoea spp (Betilla)¸ post-emergence herbicides positively influenced maize, controlling certain types of weeds, and being considered selective for the crop; the best weed control occurred with the application of the herbicide Thifensulfuron+Nicusulfuron +atrazina at a dose of 0.50 L/ha, acting post-emergence and the applied herbicides did not cause toxicity in the corn crop, reporting little damage after 20 days and disappearing 40 days after the application of the product. The recommendations were to apply the herbicide Thifensulfuron+Nicusulfuron +atrazina at a dose of 0.50 L/ha in the early post-emergence crop of maize; replicate the research in other edapho-agroecological zones and promote the use of post-emergence herbicides in adequate doses to avoid weed resistance to the products. | es_ES |
| dc.description | The present experimental work dealt with the evaluation of pre- and early post-emergence herbicides in corn cultivation, which was carried out on the lands of Mr. Edgar Vinicio Yauqui Punina, located in the Vinces Canton, Los Ríos province. The maize hybrid ADV 9789 was used as planting material. The herbicides Isoxaflutole +thiencarbozone (0.35 L/ha), Isoxaflutole (0.89 kg/ha), Thifensulfuron+ Nicusulfuron +atrazina (0.50 L/ha), Mesotrione (0. 30 L/ha), manual control and farmer control (Nicosulfuron) (25 g/ha). The conclusions determined that the weeds present in the corn crop in the Vinces area, Los Ríos province were Chloris virgata (Indian beard), Eleusine indica (Hicken's foot), Ischaemun rogusum (Wheat straw), Rottboellia cochinchinensis ( Caminadora), Cyperus rotundus (Coquito) and Ipomoea spp (Betilla)¸ post-emergence herbicides positively influenced maize, controlling certain types of weeds, and being considered selective for the crop; the best weed control occurred with the application of the herbicide Thifensulfuron+Nicusulfuron +atrazina at a dose of 0.50 L/ha, acting post-emergence and the applied herbicides did not cause toxicity in the corn crop, reporting little damage after 20 days and disappearing 40 days after the application of the product. The recommendations were to apply the herbicide Thifensulfuron+Nicusulfuron +atrazina at a dose of 0.50 L/ha in the early post-emergence crop of maize; replicate the research in other edapho-agroecological zones and promote the use of post-emergence herbicides in adequate doses to avoid weed resistance to the products. | es_ES |
| dc.description.abstract | El presente trabajo experimental trató sobre la evaluación de herbicidas pre y postemergencia temprana en el cultivo de maíz, el cual se realizó en los terrenos del Sr. Edgar Vinicio Yauqui Punina, ubicados en el Cantón Vinces, provincia de Los Ríos. Como material de siembra se utilizó el híbrido de maíz ADV 9789. Se estudiaron los herbicidas Isoxaflutole +thiencarbozone (0,35 L/ha), Isoxaflutole (0,89 kg/ha), Thifensulfuron+Nicusulfuron +atrazina (0,50 L/ha), Mesotrione (0,30 L/ha), Control manual y Testigo agricultor (Nicosulfuron) (25 g/ha). Las conclusiones determinaron que las malezas presentes en el cultivo de maíz en la zona de Vinces, provincia de Los Ríos fueron Chloris virgata (Barba de indio), Eleusine indica (Pata de gallina), Ischaemun rogusum (Paja de trigo), Rottboellia cochinchinensis (Caminadora), Cyperus rotundus (Coquito) y Ipomoea spp (Betilla)¸ los herbicidas post emergentes influyeron positivamente en el maíz, controlando ciertos tipos de malezas, y considerándose selectivos para el cultivo; el mejor control de malezas se presentó con la aplicación del herbicida Thifensulfuron+Nicusulfuron +atrazina en dosis de 0,50 L/ha, actuando en post emergencia y los herbicidas aplicados no causaron toxicidad en el cultivo de maíz, reportándose poco daño a los 20 días y desapareciendo a los 40 días después de la aplicación del producto. Las recomendaciones fueron aplicar en post emergencia temprana en el cultivo de maíz, el herbicida Thifensulfuron+Nicusulfuron +atrazina en dosis de 0,50 L/ha; replicar la investigación en otras zonas edafo-agroecológicas y promover el uso de herbicidas post emergentes en dosis adecuadas para evitar resistencia de las malezas a los productos. | es_ES |
| dc.format.extent | 47 p. | es_ES |
| dc.language.iso | es | es_ES |
| dc.publisher | BABAHOYO: UTB, 2023 | es_ES |
| dc.rights | Atribución-NoComercial-SinDerivadas 3.0 Ecuador | * |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/ec/ | * |
| dc.subject | Malezas | es_ES |
| dc.subject | Herbicidas | es_ES |
| dc.subject | Maíz | es_ES |
| dc.subject | Cultivos | es_ES |
| dc.title | Evaluación de herbicidas de pre y postemergencia temprana en el cultivo de maíz (Zea mays) en el Cantón Vinces, Provincia de Los Ríos | es_ES |
| dc.type | bachelorThesis | es_ES |
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